Okla. Stat. tit. 59, § 59-15.36
Persons who may perform assurance services and audits or
issue reports.
Any CPA or PA holding a valid permit, or an individual granted
practice privileges under Section 15.12A of this title, may perform
assurance services, including audit services, and issue a report
required by any statute, charter, ordinance, trust or other legal
instrument.